The average daily mass of O2 taken up by sewage discharged in the United States is 59 g per person. How many liters of water at 9 ppm O2 are 50 % depleted of oxygen in 1 d0ay by a population of 1,200,000 people?

Q: What is the Lewis structure of ArBr2?

A: Valence shell electrons are undergo to fom the Lewis structure where lone pair electrons are placed…

Q: Explain the effects of atmospheric sulfur dioxide to human health and to vegetation?

A: The atmosphere consists of various gases one of them is sulphur dioxide, one of the largest sources…

Q: Why are nitric and hydrochloric acid depositions less of a problem in most parts of the world than…

A: Acid deposition, also called acid rain, is a form of precipitation formed from the combustion…

Q: Oxygen (8O) and argon (18A) are both gases. Oxygen combines readily with other elements, but argon…

A: Oxygen combines easily with other elements. But argon does not.

Q: Define the Ground-level ozone, which is the primary component of smog, forms when HC and NOx react…

A: The species ground level ozone will be the types of the secondary pollutant which will be produced…

Q: How many grams of nitrogen are required to fully react with 2.79 g of hydrogen to produce ammonia?

A: Given,Hydrogen = 2.79 gMolar mass of ammonia = 17.031 g/molMolar mass of hydrogen = 1.007 g/molMolar…

Q: explain why the manufacture of nitric acid from ammonia carried out at 900 °C

A:

Q: What is the electron- pair geometry of the central oxygen atom of O-Zone (O3) ?

A: Ozone molecular formula O3  In ozone Central oxygen atom can share 3 electron pairs .

Q: How would the increase in O3 in the late spring Antarctic stratosphere affect the concentration of…

A: The first step of the mechanism is affected by a change in ozone concentration, but there's no…

Q: The Ostwald process is a series of three reactions used forthe industrial production of nitric acid…

A: The series of three reactions involved in Ostwald process can be represented as follows:

Q: How would you expect the structure of the ozonide ion, O3-, to differ from that of ozone?

A: VSEPR theory or valence shell electron pair repulsion theory is a model that is used to predict the…

Q: 7 Under what conditions can liquid nitrogen be formed by

A: we know,the critical temperature [Tc] is the maximum temperature at which the molecules can exist as…

Q: Describe the origins and behavior of sulfur oxides and nitrogen oxides as air pollutants, including…

A: Nitrogen oxide i.e. NO2 is found in air as an air pollutant. It is mainly produced from burning of…

Q: Calculate the percentage (%) of C and O in C5H10N2O3

A: Mass percentage of an element= (mass of element in one mole of compound/mass of compound)×100 Given…

Q: What would you expect to happen when chlorine gas, Cl2, at 1 atm pressure is bubbled into a solution…

A: The reduction potential trend of F, Cl and Br is as follows: F > Cl > Br Since F has the…

Q: P4(g) + Br2(g) --> PBr3(g) What volume of phosphorus tribromide will be produced at 22 oC and…

A: Molar mass of P4 = 124 g/mol Hence moles of phosphorus reacting = mass / molar mass = 48.5 / 124 =…

Q: calcula la molaridad de una disolucion de acido sulfurico (H2SO4) que se preparo disolviendo 58g del…

A:

Q: What is the concentration of HOCI required to oxidize 30 mg/L of dissolved nitrogen in NH3 to form…

A:

Q: how many grams of oxygen are required to react with 10.0 g of C2H6

A:

Q: Write by equations the formation of O3 in a photochemical smog

A: formation of O3 in a photochemical smog.

Q: Which among the following processes is a nitrogen fixation process?         a. Production of ozone

A: Rhizobium is a symbiotic nitrogen fixing bacteria present in the root of pea family plants.

Q: Write chemical equations for the following processes: (iv) Reduction of VO2+to produce VO2+ (v)…

A: iv) Since in VO2+ , V is in 5+ state and in VO2+ , V is in 4+ state Hence the reduction of VO2+ is…

Q: If a manufacturing site consumes 65 metric tons (1 metric ton = 1000 kg) of sulfur with unlimited…

A:

Q: Carbon dioxide in the atmosphere traps heat from the sun and makes life on Earth possible. Why then…

A: Previously the natural carbon dioxide levels present in earth atmosphere are properly regulated by…

Q: Can sodium nitrite form H-bonds with water?

A: Sodium nitrite is NaNO2  It is an ionic compound

Q: Write the balanced equation for the complete oxydation of C4H8O.

A: According to the Law of conservation of mass " all atoms of different elements must be equal on both…

Q: Identify the mole ratio of hydrogen peroxide (H 2 O 2 ) to water (H 2 O)

A: Mole ratio : Mole ratio is the ratio between the amounts in moles of any two species involved in a…

Q: Sulfurous acid has Ka1 = 0.0123 and Kaz = 6.607 x 108. At what pH does [HSO3] = [SO3²]?

A: H2SO3  ↔  HSO3-  +  H+                     Ka1 = 0.0123HSO3-  ↔  SO32-  +  H+…

Q: Write chemical equations for the following processes: Reduction of VO2+ to produce VO2+…

A: 1) Since the reduction reaction means gain of electrons And in VO2+ , V is in 5+ state and in VO2+ ,…

Q: Ozone 1O32 is formed in the earth’s upper atmosphere by the action of solar radiation on oxygen…

A: The ozone–oxygen cycle is the process by which ozone is continually regenerated in Earth's…

Q: The abundance of iodine in seawater is 5.0 × 10-8 % by mass. How many kilograms of seawater must be…

A: Given, abundance of iodine in sea water = 5.0 × 10-8 %             amount of iodine that is to be…

Q: How many grams of 5% (w/w) ammonia solution can be made from 800 g of 25% (wiw) strong ammonia…

A: A numerical problem based on concentration, which is to be accomplished.

Q: In a combustion chamber containing 5 L of carbon monoxide and 2.5L of oxygen is ignited at 298 K and…

A: Combustion can be defined as a reaction between substances that include oxygen and accompanied by…

Q: Determine the density of CO2 gas at STP. O 4.46 g/L O 1.96 g/L O 5.10 g/L O 2.24 g/L O 1.80 g/L

A: Determine the density of CO2 gas at STP ?

Q: Determine the mass, in kg, of HgO that must decompose to form 70.4 LO2 gas at STP. 2H9O(s) 2Hg() +…

A: The reaction given is, => 2 HgO (s) → 2 Hg (l) + O2 (g)  Given: Volume of O2 produced at STP =…

Q: Write chemical equations for the following processes: (iv) Reduction of VO2+ to produce VO2+ (v)…

A: iv) Since in VO2+, V is in 5+ state and in VO2+, V is in 4+ state Hence the reduction of VO2+ is…

Q: What volume of acetylene measured at standard conditions could be obtained from 10 grams of calcium…

A: The corresponding reaction is, CaC2      +2H2O→     C2H2            +Ca(OH)2 64.1 g/mol…

Q: 17.The complete combustion of 9.25 g of a compound of molar massM=74g-mol- containing carbon,…

A: Given : Mass of compound combusted = 9.25 g Molar mass of compound = 74 g/mol. Volume of carbon (IV)…

Q: What is the oxidation number of nitrogen in hydrazine, N2H4?

A:

Q: Give an example of oxygen use in industry and medicine.

A: Oxygen is the most versatile element early in 1800 it was only a source for respiration in living…

Q: Calculate the saturation or equilibrium concentration (mg/L) of oxygen, nitrogen, and carbon dioxide…

A:

Q: Complete and balance the following chemical equations:(a) hardening of plaster containing slaked…

A: A balanced chemical equation is an equation in which the number of atoms present on the reactant…

Q: What is the ratio of mass of oxygen in H2O and H2O2?

A: Standard data: The molar mass of oxygen atom = 15.999 u

Q: 3. Write and balance the chemical equation for the oxidation of I ion in aqueous solution by…

A: Here balance the equation by oxidation and reduction reaction.

Q: Eutrophication is Loss of biodiversity due to excess of N2 gas in water Loss of biodiversity due to…

A: Eutrophication is the process in which a water body becomes overly enriched with nutrients, leading…

Environmental Pollution

Environmental pollution occurs due to some unwanted alteration in the surroundings which results in unfavorable effects on all organisms of that surrounding.